3/4: OSI Reference Model, Council on Foreign Relations and Cybersecurity Act Video
http://portal.acm.org/citation.cfm?id=1499983
In this paper, we describe the use of packet radio communication for organizing computer resources into a computer communications network. A system to demonstrate the packet radio concept is being developed by the Advanced Research Projects Agency with initial testing in the San Francisco area beginning in 1975. The attributes of this system are presented and its application to mobile radio communications and computer architecture is briefly discussed.
http://en.wikipedia.org/wiki/Transmission_Control_Protocol
The Transmission Control Protocol (TCP) is one of the core protocols of the Internet Protocol Suite. TCP is one of the two original components of the suite (the other being Internet Protocol, or IP), so the entire suite is commonly referred to as TCP/IP. Whereas IP handles lower-level transmissions from computer to computer as a message makes its way across the Internet, TCP operates at a higher level, concerned only with the two end systems, for example a Web browser and a Web server. In particular, TCP provides reliable, ordered delivery of a stream of bytes from a program on one computer to another program on another computer. Besides the Web, other common applications of TCP include e-mail and file transfer. Among its other management tasks, TCP controls segment size, flow control, the rate at which data is exchanged, and network traffic congestion.
Author: n9faa; Uploaded: Nov 6, 2009; Duration: 8:38; Views: 222
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